For five consecutive nights beginning tonight, Sepulveda Boulevard will be closed between Braddock Drive and Culver Boulevard for construction work, according to Caltrans.

The closures will be in effect from 10 p.m. to 6 a.m. each weeknight, said Judy Gish of Caltrans.

The work, which involves installation of a drainage system along Sepulveda Boulevard near Culver Boulevard, is connected to the $167 million High Occupancy Vehicle project on the San Diego (405) Freeway in both directions from the Marina (90) Freeway to the Santa Monica (10) Freeway, Gish said.

By the time the project is completed in the summer of 2009, the HOV lane on the southbound 405 will be continuous from the San Fernando Valley to Orange County.